/**
 * 代码格式化
 * @author 赵先烈
 */
var CodeBeautify = (function () {

    var opts = {
        brace_style: "collapse",
        break_chained_methods: false,
        indent_char: " ",
        indent_scripts: "keep",
        indent_size: "4",
        keep_array_indentation: true,
        preserve_newlines: true,
        space_after_anon_function: true,
        space_before_conditional: true,
        unescape_strings: false,
        wrap_line_length: "120"
    };

    var codeType = 'Javascript';

    var _format = function () {
        if (codeType == 'Javascript') {
            var js = js_beautify($('#codeSource').val(), opts);
            js = js.replace(/>/g, '&gt;').replace(/</g, '&lt;');
            js = '<pre class="brush: js;toolbar:false;">' + js + '</pre>';
            $('#jfContent').html(js);
        } else if (codeType == 'CSS') {
            var css = css_beautify($('#codeSource').val());
            css = css.replace(/>/g, '&gt;').replace(/</g, '&lt;');
            css = '<pre class="brush: css;toolbar:true;">' + css + '</pre>';
            $('#jfContent').html(css);
        } else if (codeType == 'HTML') {
            var html = html_beautify($('#codeSource').val());
            html = html.replace(/>/g, '&gt;').replace(/</g, '&lt;');
            html = '<pre class="brush: html;toolbar:false;">' + html + '</pre>';
            $('#jfContent').html(html);
        }  else if (codeType == 'XML') {
            var xml = vkbeautify.xml($('#codeSource').val());
            xml = xml.replace(/>/g, '&gt;').replace(/</g, '&lt;');
            xml = '<pre class="brush: html;toolbar:false;">' + xml + '</pre>';
            $('#jfContent').html(xml);
        } else if (codeType == 'SQL') {
            var sql = vkbeautify.sql($('#codeSource').val(),4);
            sql = sql.replace(/>/g, '&gt;').replace(/</g, '&lt;');
            sql = '<pre class="brush: sql;toolbar:false;">' + sql + '</pre>';
            $('#jfContent').html(sql);
        }

        // 代码高亮
        SyntaxHighlighter.defaults['toolbar'] = false;
        SyntaxHighlighter.highlight();
    };

    var bindEvent = function () {
        $('input[name="codeType"]').click(function (e) {
            codeType = this.value;
            $('#codeTitle').html(this.value);
        });

        $('#btnFormat').click(function (e) {
            _format();
        });
    };

    var init = function () {
        // 在tab创建或者更新时候，监听事件，看看是否有参数传递过来
        chrome.runtime.onMessage.addListener(function (request, sender, callback) {
            if (request.type == MSG_TYPE.TAB_CREATED_OR_UPDATED && request.event == 'codebeautify') {
                if (request.content) {
                    document.getElementById('codeSource').value = (request.content);
                    _format();
                }
            }
        });

        $(function () {
            //输入框聚焦
            jQuery("#codeSource").focus();
            bindEvent();
        })
    };

    return {
        init: init
    };
})();

CodeBeautify.init();